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https://reviews.apache.org/r/66144/
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Review request for mesos, Chun-Hung Hsiao and Greg Mann.
Bugs: MESOS-8624
https://issues.apache.org/jira/browse/MESOS-8624
Repository: mesos
Description
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Up until now, Mesos does not guarantee in-order
task launch on the agent. There are two asynchronous
steps (unschedule GC and task authorization) in the
agent task launch path. Depending on the CPU scheduling
order, a later task launch may finish these two steps earlier
than its predecessors and get to the launch executor stage
earlier, resulting in out-of-order task delivery.
This patch enforces the task delivery order by sequencing
task launch after the two asynchronous steps, specifically
right before entering `__run()`.
Diffs
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src/slave/slave.hpp 37f0361251524e63d02d251e8a03901812b8affb
src/slave/slave.cpp 915d4f1bbd642ca5d2587cfdd846262cb7e08788
Diff: https://reviews.apache.org/r/66144/diff/1/
Testing
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make check
Thanks,
Meng Zhu
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